1192489379 has 2 divisors, whose sum is σ = 1192489380. Its totient is φ = 1192489378.

The previous prime is 1192489289. The next prime is 1192489399. The reversal of 1192489379 is 9739842911.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1192489379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1192489379.

It is not a weakly prime, because it can be changed into another prime (1192489399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 596244689 + 596244690.

It is an arithmetic number, because the mean of its divisors is an integer number (596244690).

Almost surely, 2^1192489379 is an apocalyptic number.

1192489379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1192489379 is an equidigital number, since it uses as much as digits as its factorization.

1192489379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 53.

The square root of 1192489379 is about 34532.4395170686. The cubic root of 1192489379 is about 1060.4369205696.

The spelling of 1192489379 in words is "one billion, one hundred ninety-two million, four hundred eighty-nine thousand, three hundred seventy-nine".